<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<div>
    {{info}}
    <!--v-model双向绑定，让控件的值和变量进行双向绑定，双向绑定只应用在控件中-->
    <input type="text" v-model="info">
</div>
<script src="../js/vue.min.js"></script>
<script>
    let v = new Vue({
        el:"body>div",
        data:{
            info:"双向绑定"
        }
    })
</script>
</body>
</html>